diff --git a/examples/showcase/src/main/webapp/WEB-INF/views/story/webservice.jsp b/examples/showcase/src/main/webapp/WEB-INF/views/story/webservice.jsp
index 9849a3fc..453e736d 100644
--- a/examples/showcase/src/main/webapp/WEB-INF/views/story/webservice.jsp
+++ b/examples/showcase/src/main/webapp/WEB-INF/views/story/webservice.jsp
@@ -3,7 +3,7 @@
 <c:set var="ctx" value="${pageContext.request.contextPath}"/>
 <html>
 <head>
-	<title>Restful Service高级演示</title>
+	<title>Web Service高级演示</title>
 	<script>
 		$(document).ready(function() {
 			$("#webservice-tab").addClass("active");
@@ -23,7 +23,7 @@
 	<h2>2. 基于JAX-RS实现的Restful演示</h2>
 	<ul>
 		<li>服务端是基于CXF的JAX-WS演示, CXF自动生成的<a href="${ctx}/cxf/">wadl文件列表</a></li>	
-		<li>演示地址：<a href="${ctx}/cxf/rest/user/1.xml">/cxf/rest/user/1.xml</a> 与 <a href="${ctx}/cxf/rest/user/1.xml">/cxf/rest/user/1.json</a></li>
+		<li>演示地址：<a href="${ctx}/cxf/rest/user/1.xml">/cxf/rest/user/1.xml</a> 与 <a href="${ctx}/cxf/rest/user/1.json">/cxf/rest/user/1.json</a></li>
 	</ul>	
 
 	<h2>3. SpringMVC Restful Service高级演示</h2>
diff --git a/modules/core/src/main/java/org/springside/modules/persistence/DynamicSpecifications.java b/modules/core/src/main/java/org/springside/modules/persistence/DynamicSpecifications.java
index 8bf5a23b..94fe2033 100644
--- a/modules/core/src/main/java/org/springside/modules/persistence/DynamicSpecifications.java
+++ b/modules/core/src/main/java/org/springside/modules/persistence/DynamicSpecifications.java
@@ -29,20 +29,21 @@ public class DynamicSpecifications {
 					List<Predicate> predicates = Lists.newArrayList();
 					for (SearchFilter filter : filters) {
 
-						// nested path translate
+						// nested path translate, 如Task的名为"user.name"的filedName, 转换为Task.user.name属性
 						String[] names = StringUtils.split(filter.fieldName, ".");
 						Path expression = root.get(names[0]);
 						for (int i = 1; i < names.length; i++) {
 							expression = expression.get(names[i]);
 						}
 
-						// convert value
+						// convert value from string to target type
 						Class attributeClass = expression.getJavaType();
 						if (!attributeClass.equals(String.class) && filter.value instanceof String
 								&& conversionService.canConvert(String.class, attributeClass)) {
 							filter.value = conversionService.convert(filter.value, attributeClass);
 						}
 
+						// logic operator
 						switch (filter.operator) {
 						case EQ:
 							predicates.add(builder.equal(expression, filter.value));
@@ -65,6 +66,7 @@ public class DynamicSpecifications {
 						}
 					}
 
+					// 将所有条件用 and 联合起来
 					if (predicates.size() > 0) {
 						return builder.and(predicates.toArray(new Predicate[predicates.size()]));
 					}
diff --git a/modules/core/src/main/java/org/springside/modules/web/Servlets.java b/modules/core/src/main/java/org/springside/modules/web/Servlets.java
index b5b8d8a7..1334a712 100644
--- a/modules/core/src/main/java/org/springside/modules/web/Servlets.java
+++ b/modules/core/src/main/java/org/springside/modules/web/Servlets.java
@@ -161,7 +161,7 @@ public class Servlets {
 	}
 
 	/**
-	 * 组合Parameters生成Query String的Parameter部分,并在paramter name上加上prefix.
+	 * 组合Parameters生成Query String的Parameter部分, 并在paramter name上加上prefix.
 	 * 
 	 * @see #getParametersStartingWith
 	 */
diff --git a/modules/test/src/test/resources/applicationContext-test.xml b/modules/test/src/test/resources/applicationContext-test.xml
index 88a87ff4..487932d3 100644
--- a/modules/test/src/test/resources/applicationContext-test.xml
+++ b/modules/test/src/test/resources/applicationContext-test.xml
@@ -4,8 +4,7 @@
 	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
 	 					http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
 	  					http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
-	  					http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
-	  					"
+	  					http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd"
 	default-lazy-init="true">
 
 	<description>Spring公共配置文件</description>